Related Experiment Video
Updated: Mar 27, 2026

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
An Integrative Analysis of the Narcissistic Personality Inventory and the Hypomanic Personality Scale: Implications
Kasey Stanton1, Elizabeth Daly1, Sara M Stasik-O'Brien2
11 University of Notre Dame, Notre Dame, IN, USA.
Abstract:
The primary goal of this study was to explicate the construct validity of the Narcissistic Personality Inventory (NPI) and the Hypomanic Personality Scale (HPS) by examining their relations both to each other and to measures of personality and psychopathology in a community sample ( N = 255). Structural evidence indicates that the NPI is defined by Leadership/Authority, Grandiose Exhibitionism, and Entitlement/Exploitativeness factors, whereas the HPS is characterized by specific dimensions reflecting Social Vitality, Mood Volatility, and Excitement. Our results establish that (a) factor-based subscales from these instruments display divergent patterns of relations that are obscured when relying exclusively on total scores and (b) some NPI and HPS subscales more clearly tap content specifically relevant to narcissism and mania, respectively, than others. In particular, our findings challenge the construct validity of the NPI Leadership/Authority and HPS Social Vitality subscales, which appear to assess overlapping assertiveness content that is largely adaptive in nature.
Related Concept Videos
Self-Report Tests of Personality
Personality Disorders: Narcissistic and Avoidant
Characteristics of Narcissistic Personality Disorder
Narcissistic individuals exhibit an inflated sense of self-importance and an excessive need for admiration. They are often...
Strategies of Self-Presentation III: Self-Monitoring
Factors Influencing Attraction VI: Personality Traits
Dark Triad and Person Perception
Introspection

